Well, it ended up getting re-called, which I was okay with because
a) I didn't really like the way it looked in our new dining room
and b) Crate & Barrel refunded us the cost of the fixture.
So, we have been living with this hole in the ceiling for a couple of months until this past weekend.

We can now add electrician to Chris's list of handyman skills as he hung this Pottery Barn fixture that I've been obsessing over for a while now: